An apparent dispute between Rockstar and Valve has left Grand Theft Auto 5 to be listed as unsupported by Steam Deck.

Fans are frustrated with the rating change following the addition of BattlEye anti-cheat, which is incompatible with the Linux-based SteamOS.

For now, players can still access the single-player mode of GTA V on the Steam Deck. Rockstar Games' FAQ confirms that while Story Mode remains playable, GTA Online will remain inaccessible on the device.

GTA Online was recently updated with new anti-cheat software, and some players think this move could be a sign that GTA 5's PC port may be in for a serious upgrade. If you're a little confused regarding the connection between GTA Online's new BattleEye anti-cheat software and GTA 5's graphics on PC,

The addition of BattlEye anti-cheat to GTA has made the game incompatible with the Steam Deck. Steam Deck players can no longer access the GTA Online portion of the game. Rockstar is blaming Valve, despite other BattlEye games being compatible with the platform.

Rockstar Games recently launched the anti-cheat system BattleEye after nine years since Grand Theft Auto 5's launch. Because of that, the game is now unplayable on the Steam Deck.

Rockstar claims the Steam Deck doesn’t support BattlEye anti-cheat — but that’s not exactly true.

You may have noticed that Grand Theft Auto V is no longer verified on Steam Deck. That's seemingly because of the BattlEye new anti-cheat software for GTA Online, which rolled out earlier this week. As Rockstar explains in its official FAQ,